LS2-B891 LT2-B892 Single Needle Unison Feed Lock Stitcher Single Needle Unison Feed Lock Stitcher with Thread Trimmer Twin Needle Unison Feed Lock Stitcher Twin Needle Unison Feed Lock Stitcher with Thread Trimmer Specifications No. of needles Needle gauge (mm) Height of presser foot (mm) Max. stitch length (mm) Max. sewing speed (rpm) LS2-B891 1 - LT2-B892 2 3, 4, 6, 8, 10, 12 Manual 9 Knee 16 Auto 16 (-705) 9 (Both forward and reverse) 3,500 LS2-B891-05, LT2-B892-05 0 7 Thread trimmer Quick reverse switch Alternating presser foot movement change switch Auto backtack select switch Sewing speed range (-705) Stitch length 6 mm and less 6 9 mm Alternating presser Foot movement amount 1.0 2.4 mm 3,500 rpm 2,000 rpm 2.5 3.9 mm 3,000 rpm 2,000 rpm 4.0 4.7 mm 2,500 rpm 2,000 rpm 4.8 7.0 mm 2,000 rpm 2,000 rpm Needle up switch Stitch length change switch Automatic presser foot lifter F-40 operation panel LS2-B891, LT2-B892 1/11
Panel operation guide (-705) Basic function B 40 Pattern sewing AUTO Automatic sewing Fixed stitch (1-99) Start backtack (0 9) Name label stitch (1-99) End backtack (0 9) Pleats presser stitch (1-99) Continuous backtack (0-9) Pattern setting Correction sewing B 40 Half stitch Automatic thread trimming B 40 Sewing speed setting Slow start sewing Needle up stop / Needle down stop Motor - 005 : Clutch motor (2 pole, 550 W) - 007 : Special MD 600 AC servomotor LS2-B891, LT2-B892 2/11
Gauge parts Ref. No. Part name Part code Q ty 1-1 Inner presser foot SSSS60-049 1 2 Bolt, socket M4 5 SSSS60-048 1 3-1 Outer presser foot assy SSSS30-051 1 4 Bolt, socket M4 10 SSSS27-174 1 5 Needle plate SSSS60-234 1 6 Screw, flat M4 8 SSSS60-235 2 7 Slide plate, R SSSS60-236 1 8 Slide plate, L SSSS60-237 1 9-1 Feed dog SSSS60-309 1 10 Screw, pan M4 10 062401-012 2 Option parts 1-2 Inner presser foot, A SSSS60-400 1 3-2 Outer presser foot assy, A SSSS60-410 1 1-3 Inner presser foot, B SSSS60-401 1 3-3 Outer presser foot assy, B SSSS60-411 1 LS2-B891, LT2-B892 3/11
Gauge parts [Models LT2-B892] * If you change from single needle to twin needle, replace with the above gauge as well. LS2-B891, LT2-B892 4/11
Gauge parts [Models LT2-B892] Ref. No. Part name Part code Q ty < For needle gauge : 3 mm > 1-1 Gauge set, 3 SSSC60-690 1 1-1-1 Inner presser foot, 3 SSSS60-670 1 1-1-2 Outer presser foot assy, 3-4 SSSS60-680 1 1-1-3 Needle plate, 3 SSSS60-640 1 1-1-4 Feed dog, 3 SSSS60-650 1 1-1-5 Needle clamp assy, 3 SSSS60-660 1 1-1-6 Thread guide, 6 SSSS60-624 1 1-1-7 Screw, pan SM2.38-56 4 062630-412 1 < For needle gauge : 4 mm > 1-2 Gauge set, 4 SSSC60-691 1 1-2-1 Inner presser foot, 4 SSSS60-671 1 1-2-2 Outer presser foot assy, 3-4 SSSS60-680 1 1-2-3 Needle plate, 4 SSSS60-641 1 1-2-4 Feed dog, 4 SSSS60-651 1 1-2-5 Needle clamp assy, 4 SSSS60-661 1 1-2-6 Thread guide, 6 SSSS60-624 1 1-2-7 Screw, pan SM2.38-56 4 062630-412 1 < For needle gauge : 6 mm > 1-3 Gauge set, 6 SSSC60-692 1 1-3-1 Inner presser foot, 6 SSSS60-672 1 1-3-2 Outer presser foot assy, 6 SSSS60-681 1 1-3-3 Needle plate, 6 SSSS60-642 1 1-3-4 Feed dog, 6 SSSS60-652 1 1-3-5 Needle clamp assy, 6 SSSS60-662 1 1-3-6 Thread guide, 6 SSSS60-624 1 1-3-7 Screw, pan SM2.38-56 4 062630-412 1 < For needle gauge : 8 mm > 1-4 Gauge set, 8 SSSC60-693 1 1-4-1 Inner presser foot, 8 SSSS60-673 1 1-4-2 Outer presser foot assy, 8 SSSS60-682 1 1-4-3 Needle plate, 8 SSSS60-643 1 1-4-4 Feed dog, 8 SSSS60-653 1 1-4-5 Needle clamp assy, 8 SSSS60-663 1 1-4-6 Thread guide, 6 SSSS60-624 1 1-4-7 Screw, pan SM2.38-56 4 062630-412 1 < For needle gauge : 10 mm > 1-5 Gauge set, 10 SSSC60-694 1 1-5-1 Inner presser foot, 10 SSSS60-674 1 1-5-2 Outer presser foot assy, 10 SSSS60-683 1 1-5-3 Needle plate, 10 SSSS60-644 1 1-5-4 Feed dog, 10 SSSS60-654 1 1-5-5 Needle clamp assy, 10 SSSS60-664 1 1-5-6 Thread guide, 12 SSSS60-625 1 1-5-7 Screw, pan SM2.38-56 4 062630-412 1 < For needle gauge : 12 mm > 1-6 Gauge set, 12 SSSC60-695 1 1-6-1 Inner presser foot, 12 SSSS60-675 1 1-6-2 Outer presser foot assy, 12 SSSS60-684 1 1-6-3 Needle plate, 12 SSSS60-645 1 1-6-4 Feed dog, 12 SSSS60-655 1 1-6-5 Needle clamp assy, 12 SSSS60-665 1 1-6-6 Thread guide, 12 SSSS60-625 1 1-6-7 Screw, pan SM2.38-56 4 062630-412 1 2 Bolt, socket M4 5 SSSS60-048 1 4 Bolt, socket M4 10 SSSS27-174 1 6 Screw, flat M4 8 SSSS60-235 2 7 Slide plate, R SSSS60-236 1 8 Slide plate, L SSSS60-237 1 10 Screw, pan M4 10 062401-012 2 14 Screw, pan SM2.38-56 4 062630-412 1 LS2-B891, LT2-B892 5/11
LS2-B891, LT2-B892 6/11
Ref. No. Part name Part code Q ty < Conversion parts to - 005 spec. > 2 Horizontal hook base assy, L SSSC60-696 1 2-1 Horizontal hook base, L SSSS60-600 1 2-2 Bushing, U SSSS60-295 1 2-3 Pipe SSSS60-357 1 2-4 Ball bearing SSSS60-267 1 2-5 Oil seal SSSS60-243 1 2-6 Retaining ring, internal C26 SSSS60-259 1 2-7 Ball bearing SSSS60-262 2 2-8 Ball bearing SSSS60-603 1 2-9 Pin SSSS60-602 1 2-10 Horizontal hook shaft SSSS60-253 1 2-11 Gear, S OP-shaft SSSS60-290 1 2-12 Set screw, socket (CP) M5 5 SSSS18-028 2 2-13 Gear, S SSSS60-256 1 2-14 Set screw, socket (CP) M5 5 SSSS18-028 2 2-15 Ball bearing SSSS60-604 1 2-16 Oil pan, h-hook shaft SSSS60-258 1 2-17 Screw, M5 5 SSSS37-509 2 2-18 Lower shaft gear assy SSSS60-269 1 2-19 Washer SSSS60-270 1 2-20 Ball bearing SSSS60-267 1 2-21 Lower shaft holder, BR SSSS60-264 1 2-22 O ring SSSS60-266 1 2-23 Oil seal SSSS60-243 1 2-24 Set screw, socket (CP) M4 5 SSSS37-229 3 2-25 Screw, flat M4 6 SSSS37-210 3 2-26 Collar, h-hook SSSS60-271 1 2-27 Bolt, socket M6 18 SSSS28-076 1 2-28 Opener shaft SSSS60-281 1 2-29 Oil wick, 80 SSSS60-282 1 2-30 Rubber cap, 4.2 142274-009 1 2-31 Adjusting guide rail, OP SSSS60-288 1 2-32 Adjusting pin, opener SSSS60-278 1 2-33 Gear base assy, OP SSSS60-291 1 2-34 O ring, 10 SSSS18-420 1 2-35 Set screw, socket (CP) M5 6 SSSS27-170 2 2-36 Set screw, socket (CP) M3 6 SSSS60-280 2 2-37 Lubrication shaft SSSS60-260 1 2-38 Oil tank, h-hook base SSSS60-601 1 2-39 Pipe SSSS60-357 1 2-40 Bolt, socket M3 6 SSSS18-349 1 2-41 Bushing, lubrication shaft SSSS60-261 1 2-42 Oil seal SSSS60-247 1 2-43 Sheet packing SSSS60-244 1 2-44 Bolt, socket M4 10 SSSS27-174 9 2-45 Setting bracket assy, Opener SSSC60-279 1 2-45-1 Setting bracket, Opener SSSS60-279 1 2-45-2 Opener arm SSSS60-286 1 2-45-3 Pin SSSS60-287 1 2-46 Opener, BC SSSS60-276 1 2-47 Retaining ring, E4 SSSSS4-839 1 2-48 Screw, M3 6 SSSS37-269 2 2-49 Spacer, 0.3 t = 0.3 SS6024-101 1 2-49 Spacer, 0.4 t = 0.4 SS6024-102 1 2-49 Spacer, 0.5 t = 0.5 SS6024-103 1 2-49 Spacer, 0.2 t = 0.2 SS6024-104 1 2-50 Horizontal hook assy SSSS60-482 1 LS2-B891, LT2-B892 7/11
LS2-B891, LT2-B892 8/11
Ref. No. Part name Part code Q ty < Conversion parts to - 005 spec. > 2-51 Bobbin SSSS60-240 1 2-52 Bolt, socket M6 25 SSSS38-124 2 2-53 Eccentric collar SSSS60-252 1 2-54 Washer SSSS60-245 1 2-55 Oil wick, 50 SSSS60-273 1 2-56 Oil tube, 170 SSSS60-620 1 2-57 Oil tube, 300 SSSS60-621 1 2-58 Lower shaft SSSS60-605 1 LS2-B891, LT2-B892 9/11
LS2-B891, LT2-B892 10/11
Ref. No. Part name Part code Q ty < Conversion parts to - 705 spec. > 3 H-hook base assy, L-TR SSSC60-697 1 3-1 Horizontal hook base assy, L SSSC60-696 1 3-2 Support bracket, F-knife SSSS60-303 1 3-3 Fixed knife SSSS60-302 1 3-4 Screw, SM3.57 8 SSSSS8-031 2 3-5 Spring, thread holding SSSS60-304 1 3-6 Screw, SM3.57 8 SSSSS8-031 2 3-7 Bolt, socket M5 25 SSSS27-178 2 3-8 Washer, plain M5 SSSS16-287 2 3-9 Driving knife shaft SSSS60-294 1 3-10 Driving knife SSSS60-292 1 3-11 Bolt, socket M3 6 SSSS18-349 2 3-12 Washer, plain M3 SSSS31-111 2 3-13 Set screw collar assy S21775-001 1 3-14 Set screw collar SSSS60-635 1 3-15 Set screw, socket (CP) SM4.37 014680-422 2 3-16 Thread trimmer sol. arm assy SSSS60-610 1 3-17 Bolt, socket M4 10 SSSS27-174 1 3-18 Link, A SSSS60-611 1 3-19 Retaining ring, E3 SSSSS4-835 1 3-20 Shoulder screw, M6 SSSS60-612 1 3-21 Driving knife arm assy, D SSSS60-613 1 3-22 Retaining ring, E3 SSSSS4-835 2 3-23 Washer, plain 6 156265-001 1 3-24 Link, B SSSS60-614 1 3-25 Driving knife arm assy, C SSSS60-615 1 3-26 Bolt, socket M4 12 SSSS31-092 1 3-27 Retaining ring, E3 SSSSS4-835 1 3-28 Thread trimmer solenoid assy SSSS60-617 1 3-29 Setting plate, sol. SSSS60-616 1 3-30 Bolt, socket M4 10 SSSS27-174 2 3-31 Washer, spring 2-4 SSSS31-208 2 3-32 Bolt, socket M4 10 SSSS27174 2 3-33 Washer, spring 2-4 SSSS31-208 2 3-34 Driving knife arm SSSS60-298 1 3-35 Bolt, socket M4 14 SSSS34-008 1 3-36 Roller SSZ814-502 1 3-37 Retaining ring, external 4 SSZ814-503 1 3-38 Thread trimmer cam SSSS60-307 1 3-39 Bolt, socket M4 12 SSSS31-092 3 3-40 Cushion clamp SSSS30-625 1 3-41 Bolt, SM3.57 144075-001 1 3-42 Washer, plain L3.5 SSSS30-025 1 < Common parts > 4 T-needle gauge set SSSC60-698 1 4-1 Needle bar SSSS60-622 1 4-2 Bolt, socket M3 10 SSSS31-110 1 4-3 Tension adjusting stud, 1st SSSS60-134 1 4-4 Tension disc SSSS20-244 2 4-5 Tension spring SS2022-601 1 4-6 Nut SSSS20-225 1 4-7 Thread hook, 1st SSSS60-133 1 4-8 Tension spring guide assy SSSS10-694 1 4-9 Screw, SM2.38-56 12 144682-001 1 4-10 Tension stud, L SSSS10-951 1 4-11 Spring SSSS10-953 1 4-12 Tension stud SSSS60-630 1 4-13 Pusher pin, L t-release SSSS10-952 1 LS2-B891, LT2-B892 11/11